CN212297035U - Can reduce centrifugal compressor diffuser of swirl - Google Patents
Can reduce centrifugal compressor diffuser of swirl Download PDFInfo
- Publication number
- CN212297035U CN212297035U CN202020963513.3U CN202020963513U CN212297035U CN 212297035 U CN212297035 U CN 212297035U CN 202020963513 U CN202020963513 U CN 202020963513U CN 212297035 U CN212297035 U CN 212297035U
- Authority
- CN
- China
- Prior art keywords
- blade
- diffuser
- blades
- centrifugal compressor
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a can reduce centrifugal compressor diffuser of swirl, including the diffuser body, be provided with the diffuser export on the body, the diffuser export sets up in the body outside, evenly be provided with a plurality of first blades on the body, a plurality of first blades are spiral setting, the diffuser exit is provided with the second blade, second blade and first blade parallel arrangement, the second blade weak point is in first blade setting. The utility model has simple structure and convenient installation, and improves the working efficiency of the diffuser; the utility model adopts the design of arranging the second blade at the outlet, namely arranging the second blade at the vortex, thereby avoiding the sharp turning of the airflow, reducing the generation of the vortex and improving the working efficiency; the utility model discloses a diffusion degree has been reduced in the design of second blade, has improved air velocity, has avoided the air current to become to produce the separation phenomenon at a slow speed, has improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of the centrifugal compressor diffuser, concretely relates to can reduce vortex centrifugal compressor diffuser.
Background
The centrifugal compressor is used as core power equipment in the industrial production process and is widely applied to the industrial fields of petrifaction, metallurgy, electric power, traffic and the like. The diffuser has the main function of decelerating and pressurizing airflow, is an important part in a centrifugal compressor, and has the main function of converting the kinetic energy of the high-speed airflow at the outlet of the impeller of the compressor into pressure potential energy. The flow loss of the diffuser accounts for about 30% of the whole compressor, so the performance of the diffuser has important influence on the efficiency, pressure ratio, operation condition range and the like of the whole compressor.
In pneumatic analysis, the diffuser outlet will generate vortex, and the vortex is caused by two reasons: 1. the direction of the airflow is not consistent with the direction of the blades, the airflow turns sharply at the outlet, and the speed of the airflow at the outlet is slowed down to generate separation; 2. when the diffusion degree is too large, the speed is converted into pressure energy, and the air flow speed is slowed down to generate separation.
Disclosure of Invention
The utility model aims at solving the above-mentioned defect, provide a can reduce centrifugal compressor diffuser of swirl.
In order to overcome the defect that exists among the background art, the utility model provides a technical scheme that its technical problem adopted is: the utility model provides a can reduce centrifugal compressor diffuser of swirl, includes the diffuser body, be provided with the diffuser export on the body, the diffuser export sets up in the body outside, evenly be provided with a plurality of first blades on the body, a plurality of first blades are the spiral setting, the diffuser exit is provided with the second blade, second blade and first blade parallel arrangement, the second blade weak point is in first blade setting.
In a preferred embodiment of the present invention, the number of the first blades is eight.
In a preferred embodiment of the present invention, the arc of the first blade is 15 ° to 20 °.
In a preferred embodiment of the present invention, the arc of the second blade is 15 ° to 20 °.
In a preferred embodiment of the present invention, the length of the second blade does not exceed the middle position of the first blade.
In a preferred embodiment of the present invention, the second number of blades is identical to the first number of blades, and the second number of blades corresponds to the first number of blades.
The utility model has the advantages that:
1. the utility model has simple structure and convenient installation, and improves the working efficiency of the diffuser;
2. the utility model adopts the design of arranging the second blade at the outlet, namely arranging the second blade at the vortex, thereby avoiding the sharp turning of the airflow, reducing the generation of the vortex and improving the working efficiency;
3. the utility model discloses a diffusion degree has been reduced in the design of second blade, has improved air velocity, has avoided the air current to become to produce the separation phenomenon at a slow speed, has improved work efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: a body-1; diffuser outlet-2; a first blade-3; a second blade-4.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
As shown in fig. 1, a centrifugal compressor diffuser capable of reducing vortex comprises a diffuser body 1, a diffuser outlet 2 is arranged on the body 1, the diffuser outlet 2 is arranged on the outer side of the body 1, a plurality of first blades 3 are uniformly arranged on the body 1, the number of the first blades 3 is eight, the eight first blades 3 are spirally arranged, a second blade 4 is arranged at the diffuser outlet 2, the second blade 4 is arranged in parallel with the first blades 3, the second blade 4 is arranged above the tail portion of the first blade 1, and the number of the second blades 4 is consistent with that of the first blades 3 and is arranged in a one-to-one correspondence manner. The second blade 4 is shorter than the first blade 3, the radian of the first blade 3 is 15-20 degrees, the radian of the second blade 2 is 15-20 degrees, and the length of the second blade 3 does not exceed the middle position of the first blade 2.
Use the utility model discloses the time, the second blade setting that sets up in the diffuser exit can avoid the sharp turn of air current in vortex production department, therefore reduces the vortex, improves the work efficiency of diffuser.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. A centrifugal compressor diffuser capable of reducing vortex comprises a diffuser body and is characterized in that: the improved fan blade is characterized in that a diffuser outlet is formed in the body and is arranged on the outer side of the body, a plurality of first blades are uniformly arranged on the body and are spirally arranged, a second blade is arranged at the diffuser outlet and is arranged in parallel with the first blades, and the second blade is shorter than the first blades.
2. A swirl reducible centrifugal compressor diffuser according to claim 1, wherein: the number of the first blades is eight.
3. A swirl reducible centrifugal compressor diffuser according to claim 1, wherein: the radian of the first blade is 15-20 degrees.
4. A swirl reducible centrifugal compressor diffuser according to claim 1, wherein: the radian of the second blade is 15-20 degrees.
5. A swirl reducible centrifugal compressor diffuser according to claim 1, wherein: the length of the second blade does not exceed the middle position of the first blade.
6. A swirl reducible centrifugal compressor diffuser according to claim 1, wherein: the number of the second blades is consistent with that of the first blades, and the second blades are arranged in a one-to-one correspondence mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963513.3U CN212297035U (en) | 2020-05-29 | 2020-05-29 | Can reduce centrifugal compressor diffuser of swirl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963513.3U CN212297035U (en) | 2020-05-29 | 2020-05-29 | Can reduce centrifugal compressor diffuser of swirl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212297035U true CN212297035U (en) | 2021-01-05 |
Family
ID=73940513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020963513.3U Active CN212297035U (en) | 2020-05-29 | 2020-05-29 | Can reduce centrifugal compressor diffuser of swirl |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212297035U (en) |
-
2020
- 2020-05-29 CN CN202020963513.3U patent/CN212297035U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203463305U (en) | Wing type centrifugal fan | |
| CN106762824B (en) | Axial flow fan ternary impeller with vein structure and gull-shaped splitter blades | |
| CN212297035U (en) | Can reduce centrifugal compressor diffuser of swirl | |
| CN204663976U (en) | A kind of centrifugal blower fan blade wheel | |
| CN206929130U (en) | Axial flow blower 3 d impeller with leaf vein texture and sea-gull type splitterr vanes | |
| CN208634100U (en) | A kind of multi sphere section centrifugal fan blade | |
| CN201582215U (en) | Width adjusting mechanism of vaneless diffuser of turbocharger | |
| CN215256988U (en) | Low-noise outlet flow guide and ventilator with same | |
| CN213628156U (en) | Agricultural axial fan diffuser of optimal design | |
| CN106837867B (en) | Axial flow fan ternary impeller with vein structure and splitter blades | |
| CN201742265U (en) | Hollow shaft of three-phase asynchronous motor with air guide plates | |
| CN212376967U (en) | Novel centrifugal compressor diffuser | |
| CN110566400B (en) | Horizontal shaft wind turbine blade | |
| CN206874547U (en) | A kind of novel movable impeller | |
| CN210440152U (en) | Vertical axis wind turbine equipped with B-spline wind gathering device | |
| CN203617807U (en) | Hydraulic turbine generator rotor spider with flange hub | |
| CN106762825B (en) | Axial flow fan ternary impeller with vein structure and circular arc column splitter blade | |
| CN112459962A (en) | Wind power blade with specially-made blade tip end plate | |
| CN101936296A (en) | Low-carbon technology dual-purpose axial flow fan | |
| CN207598577U (en) | A kind of efficient impeller of axial-flow fan | |
| CN207246107U (en) | The enhanced axial-flow leaf of structure | |
| CN106704266B (en) | Double-duct axial flow fan | |
| CN220452232U (en) | Ten-stage axial flow compressor for large blast furnace | |
| CN215333531U (en) | Non-equidistant radial clearance axial flow fan | |
| CN213511024U (en) | Wind turbine generator blade with asymmetric winglet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 214000 plant 2, No. 11, Qunxing Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Oster Power Technology (Jiangsu) Co.,Ltd. Address before: 214000 building-213, Wuxi Software Park Information Park, No.21 Changjiang Road, Xinwu District, Wuxi City, Jiangsu Province Patentee before: Oster Power Technology (Jiangsu) Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |